public StudentAchievement Student_Achievement_Delete(StudentAchievement obj)
{
StudentAchievement StudentAchievement = db.StudentAchievements.SingleOrDefault(o => o.ID == obj.ID);
db.StudentAchievements.Remove(StudentAchievement);
db.SaveChanges();
return StudentAchievement;
}
public StudentAchievement Student_Achievement_Edit(StudentAchievement obj)
{
db.Entry(obj).State = EntityState.Modified;
db.SaveChanges();
obj = db.StudentAchievements.SingleOrDefault(o => o.ID == obj.ID);
return obj;
}
public StudentAchievement Student_Achievement_Create(StudentAchievement obj)
{
obj.ID = Guid.NewGuid();
db.StudentAchievements.Add(obj);
db.SaveChanges();
obj = db.StudentAchievements.FirstOrDefault(o => o.ID == obj.ID);
return obj;
}